{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xacfdcc7fddc5b35627cc3c42beac0a61039c52243cebfa250ec392e1b953d7ef",
    "signature": "0x3070cb1e59bcfd78ba65e6b0a06a68b0916749780245cccbbebca959f98ad4021571b34f19dc15c8825837f51faca013261db9ab079dc384da6370c7380ace031b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}